27778821850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1609}}^1\times {\mathrm{26561}}^1$

素因数の和:28195

約数の個数: 48

約数和(自身を含む): 55679795640

約数和(自身を除く): 27900973790

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1609, 3218, 8045, 16090, 20917, 26561, 40225, 41834, 53122, 80450, 104585, 132805, 209170, 265610, 345293, 522925, 664025, 690586, 1045850, 1328050, 1726465, 3452930, 8632325, 17264650, 42736649, 85473298, 213683245, 427366490, 555576437, 1068416225, 1111152874, 2136832450, 2777882185, 5555764370, 13889410925, 27778821850]

約数ペア:

[(1, 27778821850), (2, 13889410925), (5, 5555764370), (10, 2777882185), (13, 2136832450), (25, 1111152874), (26, 1068416225), (50, 555576437), (65, 427366490), (130, 213683245), (325, 85473298), (650, 42736649), (1609, 17264650), (3218, 8632325), (8045, 3452930), (16090, 1726465), (20917, 1328050), (26561, 1045850), (40225, 690586), (41834, 664025), (53122, 522925), (80450, 345293), (104585, 265610), (132805, 209170)]